<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2022/1/18
  Time: 10:30
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%=request.getAttribute("username")%>
${requestScope.username}
${pageContext.setAttribute("aaa","hello")}
<a href="">${pageContext.getAttribute("aaa")}</a>
</body>
</html>
